Home / 819,724.03-1,229,584.92-220,685.83

Finding the Fourth Proportional to 819,724.03, 1,229,584.92 and 220,685.83

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Solution

The fourth proportional to 819,724.03, 1,229,584.92 and 220,685.83 is: 331,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,724.03 : 1,229,584.92 = 220,685.83 : x
  2. Step 2: Convert to fraction form
    819,724.03/1,229,584.92 = 220,685.83/x
  3. Step 3: Cross multiply
    819,724.03x = 1,229,584.92 × 220,685.83
  4. Step 4: Simplify right side
    819,724.03x = 271,351,968,625.68
  5. Step 5: Solve for x
    x = 271,351,968,625.68/819,724.03
  6. Step 6: Final answer
    x = 331,028.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.